Get the Siamese Dream sound. The Electro Harmonix Op Amp Big Muff is a reissue of the classic IC or V4 pedal from 1978 that has appeared on many recordings since its release. The new and improved Op Amp Big Muff features several modifications for the modern player including a die-cast enclosure and true bypass switching. What makes this particular Muff so special is the design incorporates op-amps to produce the distortion rather than transistors; this gives the sound a coarser edge perhaps closer to the Russian Big Muffs tone. Easy-to-use controls for Volume Sustain and Tone make dialling in your perfect fuzz tone easy and the LED provides easy visibility in dark environments. This faithful recreation of a beloved classic is perfect for Smashing Pumpkins enthusiasts and fuzz connoisseurs alike; with a tone this thick theres something for everyone.
Electro Harmonix Op-Amp Big Muff Pi
This is a New Electro Harmonix Op-Amp Big Muff Pi from Electro Harmonix is in our Fuzz Pedals category on Just Pedals. Read More below.
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Brand
Electro Harmonix
Founded by Mike Matthews in New York City in 1968, Electro-Harmonix became known for inventive effects that brought new sounds within reach of guitarists. Its first product was the LPB-1 Linear Power Booster; the company’s long-running catalogue ranges from fuzz and overdrive to delay, modulation, octave and experimental processing. JustPedals listings include the Small Clone chorus, Small Stone phaser, Memory Boy delay, POG 2 octave generator and Micro Q-Tron envelope filter. Check the exact version and power requirements when comparing EHX models, since familiar names often span different generations and formats.
Category
Fuzz Pedals
Fuzz drives the signal into extreme clipping, often flattening the waveform and generating a thick spectrum of harmonics. Transistor type, bias, input loading and tone filtering create markedly different responses, from loose and velvety to gated, spluttering or octave-rich. Some circuits interact strongly with pickup impedance and guitar volume, while others include buffers or blends for a more consistent response.
Tags
True Bypass
Connects input directly to output through mechanical or relay switching when the effect is off, removing the active circuit from the audio path. It avoids buffer colour but leaves cable capacitance and switching design to influence high-frequency loss and possible switching noise.
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